Is jsbstavebni.cz Safe? Security Analysis for JSB stavební
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
JSB stavební is a small family-owned construction company operating primarily in Prague and the Central Bohemian region since 2016. The company specializes in comprehensive renovations of apartments, family houses, and offices, as well as the construction of smaller commercial projects and family homes. Their website presents a professional image with clear service descriptions and galleries showcasing completed projects, targeting local residential and commercial clients. Technically, the website is built using standard web technologies including Bootstrap, jQuery, and Font Awesome, providing a responsive and user-friendly experience. However, there is no evidence of advanced CMS usage or hosting details. Performance is moderate with good mobile optimization but basic accessibility and SEO features. From a security perspective, the site lacks HTTPS verification in the provided data, security headers, and privacy or cookie policies, indicating potential compliance and security gaps. The absence of WHOIS data limits domain legitimacy verification, although the website content and contact details appear consistent with a legitimate small business. Overall, the site is functional and informative but would benefit from improved security practices, privacy compliance, and domain registration transparency to enhance trust and reduce risk.
Detected Technologies
15 urgent findings need attention
1 critical · 14 high
- + 7 more findings in the full report below
Keep jsbstavebni.cz under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
8 findings
15/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
JSB stavební operates as a local family construction business with a clear focus on renovation and construction services in the Czech Republic. Their market positioning is that of a small, trusted regional player with a service-based business model. The company leverages its experience since 2016 to attract residential and commercial clients. The website indicates partnerships with related real estate and sauna businesses, suggesting a modest ecosystem of complementary services. Revenue streams likely derive from project-based construction contracts. The absence of social media and advanced marketing tools suggests a traditional business approach with limited digital marketing. Growth indicators are not explicit but the presence of galleries and detailed service descriptions imply active project engagement.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
JSB stavební
IČ: 463 48 140
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a low to moderate security maturity level. Key weaknesses include the lack of HTTPS confirmation in the data, absence of security headers, no visible privacy or cookie policies, and no incident response or vulnerability disclosure information. No analytics or tracking scripts were detected, which reduces privacy risks but also limits user behavior insights. The missing WHOIS data raises concerns about domain registration transparency. There is no evidence of compliance with GDPR or other data protection frameworks. The business should prioritize implementing HTTPS, security headers, privacy policies, and a vulnerability disclosure mechanism to improve security posture and compliance readiness.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTPS with a valid SSL/TLS certificate and ensure all site resources load securely.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
JSB stavební
Rodinná stavební firma působící v Praze a Středočeském kraji od roku 2016, specializující se na kompletní rekonstrukce bytů, rodinných domů a kanceláří, výstavbu menších komerčních objektů a výstavbu rodinných domů.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google APIs
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 69 days
Mixed Content Detected
MEDIUM2 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does jsbstavebni.cz compare?
jsbstavebni.cz scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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